Newegg offers the Samsung 850 Evo 500GB Serial ATA 6Gb/s 2.5" Internal SSD, model no. MZ-75E500B/AM, for $161.99. Coupon code "EMCAVKA24" cuts that to $159.99. With free shipping, that's the lowest total price we could find by $2, although we saw it for $10 less four days ago (since expired). It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.